Update duckdb index files

.gitattributes

@@ -132,3 +132,4 @@ default/salesforce.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs
 default/retrocomputing.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/raspberrypi.stackexchange.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
 default/askubuntu.com/index.duckdb filter=lfs diff=lfs merge=lfs -text
+default/serverfault.com/index.duckdb filter=lfs diff=lfs merge=lfs -text

default/serverfault.com/index.duckdb

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:29332907b3cdab9c7e01361d06e11d68ffd07b8bffdf87b076a62e8b6fbe9cfe
+size 301215744